A fairground ride spins its occupants inside a flying saucer-shaped container.  If the horizontal circular path the riders follow has a 8.00 m radius, at how many revolutions per minute will the riders be subjected to a centripetal acceleration whose magnitude is 1.50 times that due to gravity?Group of answer choices1.3612.911810.8

Question
Asked Oct 9, 2019
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A fairground ride spins its occupants inside a flying saucer-shaped container.  If the horizontal circular path the riders follow has a 8.00 m radius, at how many revolutions per minute will the riders be subjected to a centripetal acceleration whose magnitude is 1.50 times that due to gravity?
Group of answer choices
1.36
12.9
118
10.8
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Expert Answer

Step 1

The centripetal acceleration is 1.50 times the acceleration due to gravity.

Write the expression for centripetal acceleration

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a 15g 15x9.8 m/s* |r = 8.0m aT 15x9.8m/s 8.0m -1.355 rad/s

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Step 2

The conversion from rad/sec ...

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14rad/s1355rad 60s 1s rev X 1min 2 rad 12.9rev/min

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